In its history, General Motors has put some powerful LS engines under the hood of its most popular models. Here are the top ones and their specs.

Chevy's fourth-generation LS7 7.0L small-block, one of GM's most powerful engines, upped the ante with 427 cubic inches ...

The small-block Chevrolet ... the fourth-generation LS engine lineup. However, the similarities with Gen III LS engines, including their lightweight aluminum engine block and cylinder head ...

With a supercharged LS7 engine and show-quality design, this custom 1966 Chevy II Nova is the best of both worlds. See it for ...

General Motors has created some all-time classic engines. The small block 350 cubic inch V8 can pack a serious punch, and the powerful and reliable 427-inch LS7 is one of the best engines ever made.